Home / 40,711.92-61,064.94-12,631.23

Finding the Fourth Proportional to 40,711.92, 61,064.94 and 12,631.23

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Solution

The fourth proportional to 40,711.92, 61,064.94 and 12,631.23 is: 18,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,711.92 : 61,064.94 = 12,631.23 : x
  2. Step 2: Convert to fraction form
    40,711.92/61,064.94 = 12,631.23/x
  3. Step 3: Cross multiply
    40,711.92x = 61,064.94 × 12,631.23
  4. Step 4: Simplify right side
    40,711.92x = 771,325,302.08
  5. Step 5: Solve for x
    x = 771,325,302.08/40,711.92
  6. Step 6: Final answer
    x = 18,945.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.